CN214936738U

CN214936738U - Water purifier

Info

Publication number: CN214936738U
Application number: CN202023084321.4U
Authority: CN
Inventors: 周栋; 张涛; 龚圆杰; 何海; 范婷; 赵保文
Original assignee: Chunmi Technology Shanghai Co Ltd
Current assignee: Chunmi Technology Shanghai Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-11-30
Anticipated expiration: 2030-12-18

Abstract

The present disclosure relates to a water purifier. This water purifier is when realizing user's water intaking function, still can realize the pure water bubble membrane mode, under the pure water bubble membrane mode, the pure water in the pure water chamber that can use among the leading composite filter core washes the RO membrane dense water side among the rearmounted composite filter core of RO to can avoid the water purifier after standing, the ion of RO membrane dense water side permeates RO membrane pure water end under just osmosis, leads to the higher problem of first cup water TDS, has effectively promoted user experience.

Description

Water purifier

Technical Field

The present disclosure relates to the field of water treatment technology, and in particular, to a water purifier.

Background

Along with the improvement of living standard of people, people pay more and more attention to water quality sanitation, and the trend that a family is provided with a water purifying device is formed; current water purification unit often divide into under the kitchen water purifier and mesa clean drink machine, but if current water purification unit does not use for a long time, the ion of RO membrane dense water side permeates RO membrane to the pure water end under the forward osmosis, leads to first cup water TDS higher, influences user experience.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, embodiments of the present disclosure provide a water purifier. The technical scheme is as follows:

according to a first aspect of embodiments of the present disclosure, there is provided a water purifier including:

raw water enters the preposed composite filter element through a water inlet pipe of the preposed composite filter element;

a water outlet pipe of the preposed composite filter element is connected with one end of a first electromagnetic valve, and the other end of the first electromagnetic valve is connected with one end of a booster pump; the other end of the booster pump is connected with a water inlet pipe of the RO post-positioned composite filter element; the leading composite filter element includes: the water drive system comprises a preposed filter material, a water inlet pipe, a water outlet pipe, a water drive tank and a pure water pipeline of the water drive tank, wherein the water drive tank comprises a pure water cavity and a raw water cavity, and the pure water cavity is communicated with the pure water pipeline of the water drive tank;

the concentrated water outlet pipe of the RO post-positioned composite filter element is connected with a combined concentrated water electromagnetic valve;

the pure water outlet pipe of the RO post-composite filter element is respectively connected with one end of the second check valve, one end of the second electromagnetic valve and one end of the zero-pressure valve through the first check valve; the other end of the second electromagnetic valve is connected with a normal-temperature water outlet of the faucet;

the other end of the zero-pressure valve is connected with a water suction pump, the other end of the water suction pump is connected with a third electromagnetic valve, and the other end of the third electromagnetic valve is connected with a hot water outlet of the water faucet through a heating body;

the pure water pipeline of the water drive tank is connected with the other end of the second check valve through a high-pressure switch; the pure water pipeline of the water drive tank is also connected with one end of a fourth electromagnetic valve;

the other end of the fourth electromagnetic valve is connected with one end of the booster pump through a third check valve;

the controller is respectively electrically connected with the first electromagnetic valve, the booster pump, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the heating body, the high-pressure switch and the combined concentrated water electromagnetic valve and is used for controlling the working states of the first electromagnetic valve, the booster pump, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the heating body and the combined concentrated water electromagnetic valve;

the controller is used for starting the first electromagnetic valve, the booster pump and the second electromagnetic valve when monitoring a command of taking normal-temperature water, the RO post-positioned composite filter element normally produces water, and pure water produced by the RO post-positioned composite filter element flows out of the water faucet;

the controller is also used for controlling the first electromagnetic valve and the booster pump to be opened and the second electromagnetic valve to be closed when the command of closing the normal-temperature water taking is monitored, the RO post-positioned composite filter element continuously produces water, and the pure water produced by the RO post-positioned composite filter element flows into the pure water cavity until the full water pressure in the pure water cavity rises and the high-pressure switch reaches a high-pressure value;

the controller is also used for controlling the fourth electromagnetic valve and the combined concentrated water electromagnetic valve to be opened to open a pure water bubble membrane mode immediately or after a certain time interval when the situation that water taking is finished and the pure water cavity is in a full water state is monitored, so that pure water in the pure water cavity flows into a concentrated water side of the RO post-positioned composite filter element and is discharged through the combined concentrated water electromagnetic valve; when the water pressure in the pure water cavity is monitored to be reduced to the low pressure value of the high-pressure switch, the fourth electromagnetic valve and the combined concentrated water electromagnetic valve are controlled to be closed, and the pure water bubble film mode is ended, wherein the water taking completion comprises the following steps: taking hot water or normal temperature water;

after receiving a hot water taking instruction, the controller controls the first electromagnetic valve, the booster pump, the water suction pump, the fourth electromagnetic valve and the water suction pump to be opened, the RO post-positioned composite filter element normally produces water, and pure water prepared by the RO post-positioned composite filter element is conveyed into the heating element by the water suction pump through the pressure stabilizing valve, is heated to a water taking temperature and then flows out of the water faucet; in the process of taking hot water, if the high-voltage switch is detected to reach a high-voltage value, the fourth electromagnetic valve is opened, and redundant pure water flows back to the front of the booster pump; the controller is also used for starting the water suction pump to pump water according to the water temperature in the hot water taking instruction and the corresponding rotating speed so as to flow hot water with different flow rates;

the controller is also used for starting a water-drive tank water-making mode after monitoring that water taking is finished; the water intake is finished and comprises: finishing taking hot water or normal temperature water; when the situation that normal-temperature water taking is finished is monitored, the first electromagnetic valve and the booster pump are controlled to be still kept in an open state, the second electromagnetic valve is controlled to be closed, the RO post-positioned composite filter element continuously produces water until the high-pressure switch is disconnected, and water supply of the water drive tank is finished; if the normal temperature water taking is finished, and the high-voltage switch is at an off value and the water drive tank is full of water, controlling the first electromagnetic valve, the booster pump and the second electromagnetic valve to be closed; when the water supply is finished, if the high-pressure switch is not turned off and the water drive tank is not full of water, controlling the first electromagnetic valve and the booster pump to be still in an open state, closing the third electromagnetic valve, continuously supplying water by the RO post-composite filter element until the high-pressure switch is turned off, and finishing water supply of the water drive tank; if the hot water taking is finished, the high-voltage switch is at a disconnection value, and the water drive tank is full of water, the first electromagnetic valve, the booster pump and the third electromagnetic valve are controlled to be closed;

in the process of taking hot water and driving the tank to produce water by water, the controller is also used for reducing the rotating speed of the booster pump by reducing voltage or pulse power supply so as to reduce the noise of water production.

The disclosed water purifier includes: raw water enters the preposed composite filter element through a water inlet pipe of the preposed composite filter element; the water outlet pipe of the preposed composite filter element is connected with one end of a first electromagnetic valve, and the other end of the first electromagnetic valve is connected with one end of a booster pump; the other end of the booster pump is connected with a water inlet pipe of the RO post-positioned composite filter element; leading composite filter element includes: the water drive tank comprises a pure water cavity and a raw water cavity, and the pure water cavity is communicated with the pure water pipeline of the water drive tank; a concentrated water outlet pipe of the RO post-positioned composite filter element is connected with a combined concentrated water electromagnetic valve; a pure water outlet pipe of the RO post-positioned composite filter element is respectively connected with one end of a second check valve, one end of a second electromagnetic valve and one end of a zero-pressure valve through a first check valve; the other end of the second electromagnetic valve is connected with a normal-temperature water outlet of the faucet; the other end of the zero-pressure valve is connected with a water suction pump, the other end of the water suction pump is connected with a third electromagnetic valve, and the other end of the third electromagnetic valve is connected with a hot water outlet of the faucet through a heating body; the pure water pipeline of the water drive tank is connected with the other end of the second check valve through a high-pressure switch; the pure water pipeline of the water drive tank is also connected with one end of a fourth electromagnetic valve; the other end of the fourth electromagnetic valve is connected with one end of the booster pump through a third check valve; the controller is respectively electrically connected with the first electromagnetic valve, the booster pump, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the heating body, the high-pressure switch and the combined concentrated water electromagnetic valve and is used for controlling the working states of the first electromagnetic valve, the booster pump, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the heating body and the combined concentrated water electromagnetic valve; the controller is used for starting the first electromagnetic valve, the booster pump and the second electromagnetic valve when monitoring a command of taking normal-temperature water, the RO post-positioned composite filter element normally produces water, and pure water produced by the RO post-positioned composite filter element flows out of the water faucet; the controller is also used for controlling the first electromagnetic valve and the booster pump to be opened and the second electromagnetic valve to be closed when the command of closing the normal-temperature water taking is monitored, the RO post-composite filter element continuously produces water, and the pure water produced by the RO post-composite filter element flows into the pure water cavity until the full water pressure in the pure water cavity rises and the high-pressure switch reaches a high-pressure value; the controller is also used for immediately or after a certain time interval when the controller monitors that water taking is finished and the pure water cavity reaches a full water state, controlling to open the fourth electromagnetic valve and the combined concentrated water electromagnetic valve so as to open a pure water membrane-soaking mode, so that pure water in the pure water cavity flows into a concentrated water side of the RO post-composite filter element and is discharged through the combined concentrated water electromagnetic valve; when monitoring that water pressure reduces to high-pressure switch low pressure value in the pure water chamber, control closes fourth solenoid valve and the concentrated water solenoid valve of combination, finishes the pure water bubble membrane mode, wherein, the water intaking is accomplished and is included: taking hot water or normal temperature water; after receiving a hot water taking instruction, the controller controls the first electromagnetic valve, the booster pump, the water suction pump, the fourth electromagnetic valve and the water suction pump to be opened, the RO post-positioned composite filter element normally produces water, and pure water prepared by the RO post-positioned composite filter element is conveyed to the heating body through the pressure stabilizing valve by the water suction pump, is heated to a water taking temperature and then flows out of the faucet; in the process of taking hot water, if the high-voltage switch is detected to reach a high-voltage value, the fourth electromagnetic valve is opened, and redundant pure water flows back to the front of the booster pump; the controller is also used for starting the water suction pump to pump water according to the corresponding rotating speed according to the water temperature in the hot water taking instruction so as to flow hot water with different flow rates; the controller is also used for starting a water-drive tank water-making mode after monitoring that water taking is finished; the water intake is finished and comprises: finishing taking hot water or normal temperature water; when the situation that normal-temperature water taking is finished is monitored, the first electromagnetic valve and the booster pump are controlled to be still kept in an open state, the second electromagnetic valve is controlled to be closed, the RO post-positioned composite filter element continuously produces water until the high-pressure switch is disconnected, and water supply of the water drive tank is finished; if the normal temperature water taking is finished, and the high-voltage switch is at an off value and the water drive tank is full of water, controlling the first electromagnetic valve, the booster pump and the second electromagnetic valve to be closed; when the water supply is finished, if the high-pressure switch is not turned off and the water drive tank is not full of water, controlling the first electromagnetic valve and the booster pump to be still in an open state, closing the third electromagnetic valve, continuously supplying water by the RO post-composite filter element until the high-pressure switch is turned off, and finishing water supply of the water drive tank; if the hot water taking is finished, the high-voltage switch is at a disconnection value, and the water drive tank is full of water, the first electromagnetic valve, the booster pump and the third electromagnetic valve are controlled to be closed; in the process of taking hot water and driving the tank to produce water by water, the controller is also used for reducing the rotating speed of the booster pump by reducing voltage or pulse power supply so as to reduce the noise of water production. Wherein, when realizing user's water intaking function, still can realize the pure water bubble membrane mode, under the pure water bubble membrane mode, the pure water in the pure water chamber that can use among the leading composite filter core washes the RO membrane dense water side among the rearmounted composite filter core of RO to can avoid the water purifier to stand the back, the ion of RO membrane dense water side permeates RO membrane pure water end under the positive osmotic action, leads to the higher problem of first glass of water TDS, has effectively promoted user experience.

In one embodiment, the combination concentrate solenoid valve includes: a plurality of concentrated water electronic solenoid valves connected in series in sequence;

wherein, a concentrated water outlet pipe of the RO post-positioned composite filter element is connected with a first concentrated water electromagnetic valve;

the controller is used for controlling the working state of each concentrated water sub-solenoid valve according to the pure wastewater ratio, wherein the working state of each concentrated water sub-solenoid valve can correspond to different pure wastewater ratios by adjusting the working state of each concentrated water sub-solenoid valve.

In one embodiment, the water outlet pipe of the preposed composite filter element is connected with one end of the first electromagnetic valve through a raw water TDS sensor;

the first check valve is connected with one end of the second electromagnetic valve through a pure water TDS sensor;

the controller still respectively with raw water TDS sensor with the pure water TDS sensor electricity is connected, is used for the basis the response value of raw water TDS sensor with the response value of pure water TDS sensor confirms many grades pure waste water is than, wherein, many grades pure waste water is than can also by user setting.

In one embodiment of the present invention,

the pressure reducing valve is connected with the water inlet pipe of the front composite filter element, and raw water sequentially passes through the pressure reducing valve and the water inlet pipe of the front composite filter element to enter the front composite filter element.

In one embodiment, the heat generating body includes: namely a heat generating body.

In one embodiment, a water outlet temperature sensor is arranged between the heating body and the water faucet;

the controller is also electrically connected with the water outlet temperature sensor.

In one embodiment, the other end of the third electromagnetic valve is connected with the heating body through a water inlet temperature sensor;

the controller is also electrically connected with the water inlet temperature sensor;

the controller collects the temperature signals of the water inlet temperature sensor and the water outlet temperature sensor of the heating body after receiving a hot water taking instruction, calculates the actual water outlet flow speed through comparing the water inlet temperature and the water outlet temperature of the water inlet and the water outlet temperature with the input power, and finely adjusts the rotating speed of the water suction pump to accurately control the hot water flow speed.

In one embodiment, the controller further comprises: a WiFi module;

the WiFi module is used for interacting signals with the mobile terminal;

the multi-gear pure wastewater ratio can be set by a manager through connecting the WIFI module with the controller at the rear end.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic view illustrating a structure of a water purifier according to an exemplary embodiment.

Fig. 2 is a schematic structural view of a water purifier shown according to an exemplary embodiment.

Fig. 3 is a schematic structural view of a water purifier shown according to an exemplary embodiment.

Fig. 4 is a schematic structural view of a water purifier shown according to an exemplary embodiment.

Fig. 5 is a schematic diagram illustrating control logic of the water purifier of fig. 4 according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 is a schematic structural view illustrating a water purifier according to an exemplary embodiment, as shown in fig. 1, including:

raw water enters the preposed composite filter element 11 through a water inlet pipe 111 of the preposed composite filter element 11;

the water outlet pipe 112 of the preposed composite filter element 11 is connected with one end of a first electromagnetic valve 12, and the other end of the first electromagnetic valve 12 is connected with one end of a booster pump 13; the other end of the booster pump 13 is connected with a water inlet pipe 141 of the RO post-composite filter element 14.

The front composite filter element 11 includes: the water-saving device comprises a preposed filter material, a water inlet pipe 111, a water outlet pipe 112, a water drive tank and a water drive tank pure water pipeline 113, wherein the water drive tank comprises a pure water cavity and a raw water cavity, and the pure water cavity is communicated with the water drive tank pure water pipeline 113; specifically, two cavities can be arranged in the water drive tank, wherein one cavity is used as a pure water cavity, and the other cavity is used as a raw water cavity; when in use, raw water firstly enters the raw water cavity through the water inlet pipe 111 of the preposed composite filter element 11, and the raw water in the raw water cavity is filtered through the preposed filter material and flows to the water inlet pipe 141 of the RO postposition composite filter element 14 through the water outlet pipe 112 of the preposed composite filter element 11.

The concentrated water outlet pipe 142 of the RO post-positioned composite filter element 14 is connected with the combined concentrated water electromagnetic valve 15;

a pure water outlet pipe 143 of the RO post-composite filter element 14 is respectively connected with one end of a second check valve 17, one end of a second electromagnetic valve 18 and one end of a zero pressure valve 19 through a first check valve 16; the other end of the second electromagnetic valve 18 is connected with a normal temperature water outlet (not shown in the figure) of the water faucet;

the other end of the zero pressure valve 19 is connected with a water pump 20, the other end of the water pump 20 is connected with a third electromagnetic valve 21, and the other end of the third electromagnetic valve 21 is connected with a hot water outlet (not shown) of the faucet through a heating body 22;

the pure water pipeline 113 of the water drive tank is connected with the other end of the second check valve 17 through a high-pressure switch 23; the pure water pipeline 113 of the water drive tank is also connected with one end of the fourth electromagnetic valve 25;

the other end of the fourth electromagnetic valve 25 is connected with one end of the booster pump 13 through a third check valve 26;

the controller is respectively electrically connected with the first electromagnetic valve 12, the booster pump 13, the second electromagnetic valve 18, the third electromagnetic valve 21, the fourth electromagnetic valve 25, the heating element 22, the high-pressure switch 23 and the combined concentrated water electromagnetic valve 15 and is used for controlling the working states of the first electromagnetic valve 12, the booster pump 13, the second electromagnetic valve 18, the third electromagnetic valve 21, the fourth electromagnetic valve 25, the heating element 22 and the combined concentrated water electromagnetic valve 15;

the controller is used for starting the first electromagnetic valve 12, the booster pump 13 and the second electromagnetic valve 18 when monitoring a command of taking normal-temperature water, the RO post-positioned composite filter element 14 normally produces water, and pure water produced by the RO post-positioned composite filter element 14 flows out of a normal-temperature water outlet of the faucet;

the controller is also used for controlling the opening of the first electromagnetic valve 12 and the booster pump 13 and closing the second electromagnetic valve 18 when monitoring the command of closing the normal-temperature water taking, the RO post-positioned composite filter element 14 continuously produces water, and the pure water produced by the RO post-positioned composite filter element 14 flows into the pure water cavity until the full water pressure in the pure water cavity rises and the high-pressure switch 23 reaches a high-pressure value;

the controller is also used for controlling the fourth electromagnetic valve 25 and the combined concentrated water electromagnetic valve 15 to be opened to open a pure water bubble membrane mode immediately or after a certain time interval when the situation that water taking is finished and the pure water cavity is in a full water state is monitored, so that pure water in the pure water cavity flows into the concentrated water side of the RO post-positioned composite filter element 14 and is discharged through the combined concentrated water electromagnetic valve 15; when monitoring that the water pressure in the pure water cavity is reduced to the low pressure value of the high-pressure switch 23, controlling to close the fourth electromagnetic valve 25 and the combined concentrated water electromagnetic valve 15, and ending the pure water bubble film mode, wherein the water taking completion comprises: taking hot water or normal temperature water;

after receiving a hot water taking instruction, the controller controls the first electromagnetic valve 12, the booster pump 13, the water suction pump 20, the third electromagnetic valve 21 and the water suction pump 20 to be opened, the RO post-positioned composite filter element 14 normally produces water, and pure water produced by the RO post-positioned composite filter element 14 is conveyed into the heating body 22 by the water suction pump 20 through the pressure stabilizing valve and heated to a water taking temperature, and then flows out from a hot water outlet of the faucet; in the process of taking hot water, if the high-voltage switch 23 is detected to reach a high-voltage value, the fourth electromagnetic valve 25 is opened, and redundant pure water flows back to the front of the booster pump 13; the controller is also used for starting the water suction pump 20 to pump water according to the corresponding rotating speed according to the water temperature in the hot water taking instruction so as to flow hot water with different flow rates;

the controller is also used for starting a water-drive tank water-making mode after monitoring that water taking is finished; the water intaking finishes including: finishing taking hot water or normal temperature water; when the situation that the normal-temperature water taking is finished is monitored, the first electromagnetic valve 12 and the booster pump 13 are still controlled to be in an opening state, the second electromagnetic valve 18 is controlled to be closed, the RO post-positioned composite filter element 14 continues water making until the high-pressure switch 23 is disconnected, and the water replenishing of the water drive tank is finished; if the normal temperature water taking is finished, and the high-voltage switch 23 is at the disconnection value and the water drive tank is full of water, the first electromagnetic valve 12, the booster pump 13 and the second electromagnetic valve 18 are controlled to be closed; when the water supply is finished, if the high-pressure switch 23 is not at the cut-off value and the water drive tank is not full of water, controlling the first electromagnetic valve 12 and the booster pump 13 to be still in the open state, closing the third electromagnetic valve 21, and continuously producing water by the RO post-positioned composite filter element 14 until the high-pressure switch 23 is cut off and the water supply of the water drive tank is finished; if the hot water taking is finished, the high-voltage switch 23 is at an off value, and the water drive tank is full of water, the first electromagnetic valve 12, the booster pump 13 and the third electromagnetic valve 21 are controlled to be closed;

in the process of taking hot water and driving the tank to produce water, the controller is also used for reducing the rotating speed of the booster pump 13 by reducing voltage or pulse power supply so as to reduce the noise of water production.

The water purifier provided by the disclosure is provided with a controller, the high-voltage switch 23 and the water tap are signal output components, and the controller receives signals of the signal output components and makes a response; the booster pump 13, the water pump 20, the first electromagnetic valve 12, the second electromagnetic valve 18, the third electromagnetic valve 21, the fourth electromagnetic valve 25 and the combined concentrated water electromagnetic valve 15 are signal output parts and are started by receiving electric signals of a controller; the heating element 22 is an input signal member and an output signal member.

In one implementation, a touch panel may be disposed in the water purifier, and a user may select a desired mode to be executed by the water purifier in the touch panel.

When the user will get normal atmospheric temperature water through operation control panel or intelligent tap, can send the normal atmospheric temperature water of getting to the controller and instruct, the controller is after receiving the normal atmospheric temperature water of getting order, just knows that the user will get normal atmospheric temperature water at tap, and then the controller can control to open and get normal atmospheric temperature water mode this moment, and is specific, first solenoid valve 12 can be started to the controller, booster pump 13 and second solenoid valve 18, the rearmounted composite filter element 14 normal system water of RO, the pure water that the rearmounted composite filter element of RO 14 was prepared flows from tap's normal atmospheric temperature delivery port.

When the controller monitors the command of closing the water taking chamber, namely after the water taking is finished, the controller can control the water making mode of the pure water chamber to be opened, and the pure water chamber can be filled with pure water in the mode. Specifically, the first electromagnetic valve 12 and the booster pump 13 are controlled to be opened, the second electromagnetic valve 18 is closed, the RO post-positioned composite filter element 14 continuously produces water, and the pure water produced by the RO post-positioned composite filter element 14 flows into the pure water cavity until the full water pressure in the pure water cavity rises, the high-pressure switch 23 reaches a high-pressure value, and the water supply of the pure water cavity is finished; and if the high-pressure switch 23 reaches a high-pressure value after the normal-temperature water is taken, indicating that the pure water cavity is full of water, and closing the first electromagnetic valve 12, the booster pump 13 and the second electromagnetic valve 18.

The water purifier in this disclosure still provides the pure water bubble membrane mode, mainly is to introduce the concentrate side of the rearmounted composite filter element 14 of RO with the pure water under this mode to wash rearmounted composite filter element 14 of RO, avoid the water purifier not to use for a long time, the ion of the concentrate side of RO membrane permeates RO membrane to the pure water end under the forward osmosis, leads to the higher problem of first cup water TDS. Specifically, the controller is further configured to control to open the fourth electromagnetic valve 25 and the combined concentrated water electromagnetic valve 15 to open the pure water bubble membrane mode immediately or after a certain time interval when it is monitored that the water intake is completed and the pure water chamber reaches a full water state, so that pure water in the pure water chamber flows into the concentrated water side of the RO rear composite filter element 14 and is discharged through the combined concentrated water electromagnetic valve 15; when monitoring that the water pressure in the pure water cavity is reduced to the low pressure value of the high-pressure switch 23, controlling to close the fourth electromagnetic valve 25 and the combined concentrated water electromagnetic valve 15, and ending the pure water bubble film mode, wherein the water taking completion comprises: the hot water taking or the normal temperature water taking is completed.

The existing water purifier has no heating function, can not meet the hot water requirement of consumers, and the heating water purifier has higher TDS in a heating device due to the problem of a first cup of water, and the water is easy to accumulate scale in the heating device.

The utility model provides a water purifier is owing to set up the pure water bubble membrane mode to the higher problem of first cup of water TDS has been solved, thereby after having set up heating function, can avoid the interior TDS of heating device higher, the easy problem of amassing deposit incrustation scale of heating device content.

When a user needs to take hot water, after receiving a hot water taking instruction, the controller controls the first electromagnetic valve 12, the booster pump 13, the water suction pump 20, the third electromagnetic valve 21 and the water suction pump 20 to be opened, the RO post-positioned composite filter element 14 normally produces water, and pure water prepared by the RO post-positioned composite filter element 14 is conveyed into the heating body 22 through the pressure stabilizing valve by the water suction pump 20 to be heated to a water taking temperature and then flows out of a hot water outlet of the faucet; in the process of taking hot water, if the high-voltage switch 23 is detected to reach a high-voltage value, the fourth electromagnetic valve 25 is opened, and redundant pure water flows back to the front of the booster pump 13; the controller is further configured to start the water pump 20 to pump water at a corresponding rotation speed according to the water temperature in the hot water taking instruction, so as to flow hot water at different flow rates.

Wherein, the heat-generating body 22 includes: namely a heat generating body.

The disclosed water purifier includes: raw water enters the preposed composite filter element 11 through a water inlet pipe of the preposed composite filter element 11; a water outlet pipe of the preposed composite filter element 11 is connected with one end of a first electromagnetic valve 12, and the other end of the first electromagnetic valve 12 is connected with one end of a booster pump 13; the other end of the booster pump 13 is connected with a water inlet pipe 141 of the RO post-positioned composite filter element 14; the front composite filter element 11 includes: the water drive system comprises a preposed filter material, a water inlet pipe, a water outlet pipe, a water drive tank and a water drive tank pure water pipeline 113, wherein the water drive tank comprises a pure water cavity and a raw water cavity, and the pure water cavity is communicated with the water drive tank pure water pipeline 113; the concentrated water outlet pipe 142 of the RO post-positioned composite filter element 14 is connected with the combined concentrated water electromagnetic valve 15; a pure water outlet pipe 143 of the RO post-composite filter element 14 is respectively connected with one end of a second check valve 17, one end of a second electromagnetic valve 18 and one end of a zero pressure valve 19 through a first check valve 16; the other end of the second electromagnetic valve 18 is connected with a normal-temperature water outlet of the faucet; the other end of the zero pressure valve 19 is connected with a water suction pump 20, the other end of the water suction pump 20 is connected with a third electromagnetic valve 21, and the other end of the third electromagnetic valve 21 is connected with a hot water outlet of the faucet through a heating body 22; the pure water pipeline 113 of the water drive tank is connected with the other end of the second check valve 17 through a high-pressure switch 23; the pure water pipeline 113 of the water drive tank is also connected with one end of the fourth electromagnetic valve 25; the other end of the fourth electromagnetic valve 25 is connected with one end of the booster pump 13 through a third check valve 26; the controller is respectively electrically connected with the first electromagnetic valve 12, the booster pump 13, the second electromagnetic valve 18, the third electromagnetic valve 21, the fourth electromagnetic valve 25, the heating element 22, the high-pressure switch 23 and the combined concentrated water electromagnetic valve 15 and is used for controlling the working states of the first electromagnetic valve 12, the booster pump 13, the second electromagnetic valve 18, the third electromagnetic valve 21, the fourth electromagnetic valve 25, the heating element 22 and the combined concentrated water electromagnetic valve 15; the controller is used for starting the first electromagnetic valve 12, the booster pump 13 and the second electromagnetic valve 18 when monitoring a command of taking normal-temperature water, the RO post-positioned composite filter element 14 normally produces water, and pure water produced by the RO post-positioned composite filter element 14 flows out of a water tap; the controller is also used for controlling the opening of the first electromagnetic valve 12 and the booster pump 13 and closing the second electromagnetic valve 18 when monitoring the command of closing the normal-temperature water taking, the RO post-positioned composite filter element 14 continuously produces water, and the pure water produced by the RO post-positioned composite filter element 14 flows into the pure water cavity until the full water pressure in the pure water cavity rises and the high-pressure switch 23 reaches a high-pressure value; the controller is also used for controlling the fourth electromagnetic valve 25 and the combined concentrated water electromagnetic valve 15 to be opened to open a pure water bubble membrane mode immediately or after a certain time interval when the situation that water taking is finished and the pure water cavity is in a full water state is monitored, so that pure water in the pure water cavity flows into the concentrated water side of the RO post-positioned composite filter element 14 and is discharged through the combined concentrated water electromagnetic valve 15; when monitoring that the water pressure in the pure water cavity is reduced to the low pressure value of the high-pressure switch 23, controlling to close the fourth electromagnetic valve 25 and the combined concentrated water electromagnetic valve 15, and ending the pure water bubble film mode, wherein the water taking completion comprises: taking hot water or normal temperature water; after receiving a hot water taking instruction, the controller controls the first electromagnetic valve 12, the booster pump 13, the water suction pump 20, the fourth electromagnetic valve 25 and the water suction pump 20 to be opened, the RO post composite filter element 14 normally produces water, and pure water produced by the RO post composite filter element 14 is conveyed into the heating body 22 by the water suction pump 20 through the pressure stabilizing valve and heated to a water taking temperature, and then flows out of a faucet; in the process of taking hot water, if the high-voltage switch 23 is detected to reach a high-voltage value, the fourth electromagnetic valve 25 is opened, and redundant pure water flows back to the front of the booster pump 13; the controller is also used for starting the water suction pump 20 to pump water according to the corresponding rotating speed according to the water temperature in the hot water taking instruction so as to flow hot water with different flow rates; the controller is also used for starting a water-drive tank water-making mode after monitoring that water taking is finished; the water intaking finishes including: finishing taking hot water or normal temperature water; when the situation that the normal-temperature water taking is finished is monitored, the first electromagnetic valve 12 and the booster pump 13 are still controlled to be in an opening state, the second electromagnetic valve 18 is controlled to be closed, the RO post-positioned composite filter element 14 continues water making until the high-pressure switch 23 is disconnected, and the water replenishing of the water drive tank is finished; if the normal temperature water taking is finished, and the high-voltage switch 23 is at the disconnection value and the water drive tank is full of water, the first electromagnetic valve 12, the booster pump 13 and the second electromagnetic valve 18 are controlled to be closed; when the water supply is finished, if the high-pressure switch 23 is not at the cut-off value and the water drive tank is not full of water, controlling the first electromagnetic valve 12 and the booster pump 13 to be still in the open state, closing the third electromagnetic valve 21, and continuously producing water by the RO post-positioned composite filter element 14 until the high-pressure switch 23 is cut off and the water supply of the water drive tank is finished; if the hot water taking is finished, the high-voltage switch 23 is at an off value, and the water drive tank is full of water, the first electromagnetic valve 12, the booster pump 13 and the third electromagnetic valve 21 are controlled to be closed; in the process of taking hot water and driving the tank to produce water, the controller is also used for reducing the rotating speed of the booster pump 13 by reducing voltage or pulse power supply so as to reduce the noise of water production. Wherein, when realizing user's water intaking function, still can realize the pure water bubble membrane mode, under the pure water bubble membrane mode, the pure water in the pure water chamber that can use among the leading composite filter element 11 washes the RO membrane dense water side among the rearmounted composite filter element 14 of RO to can avoid the water purifier after the setting, the ion of RO membrane dense water side permeates RO membrane pure water end under the positive osmotic action, leads to the higher problem of first cup water TDS, has effectively promoted user experience.

In one embodiment, the combined concentrate solenoid valve 15 includes: a plurality of concentrated water electronic solenoid valves connected in series in sequence;

wherein, the concentrated water outlet pipe 142 of the RO post-composite filter element 14 is connected with the first concentrated water electromagnetic valve;

the controller is used for controlling the working state of each concentrated water sub-solenoid valve according to the pure wastewater ratio, wherein the working state of each concentrated water sub-solenoid valve can correspond to different pure wastewater ratios by adjusting the working state of each concentrated water sub-solenoid valve. Of course,

in the present disclosure, a plurality of concentrated water solenoid valves may be provided, and the switches of different concentrated water solenoid valves may correspond to the dead pure wastewater ratio.

As shown in fig. 1, the combined concentrate solenoid valve 15 includes: two concentrate electronic valves (a first concentrate electronic valve 151 and a second concentrate electronic valve 152) connected in series in this order will be explained as an example:

the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are connected in series, and the combination can realize three different pure wastewater ratios while maintaining the function of the pure water bubble film mode. Only the first concentrated water solenoid valve 151 is electrified, and the concentrated water pipeline is throttled by the small hole of the second concentrated water solenoid valve 152, which is the first grade pure wastewater ratio; only the second concentrated water solenoid valve 152 is electrified, and the concentrated water pipeline is throttled by the small hole of the first concentrated water solenoid valve 151, which is the second-gear pure wastewater ratio; the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are not electrified, so that the concentrated water pipeline plays a throttling role together by the small holes of the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152, and the ratio of the third grade pure wastewater is higher than that of the first grade and the second grade; when the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are simultaneously energized, the pure water bubble film mode is established.

It should be noted that if the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are of the same specification, only two levels of pure wastewater ratio can be realized.

Wherein, select first shelves, second shelves or third shelves pure waste water ratio and can be set for by oneself by the user, also can set up the WIFI module in the water purifier, carry out the selection of pure waste water ratio at long-range by professional or producer.

Pure waste water through setting up a plurality of gears compares, can provide different filter effects based on different quality of water to can satisfy the user and to the different demands of quality of water, effectively promote user experience.

In one embodiment, as shown in fig. 2, further includes: a raw water TDS sensor 27 and a pure water TDS sensor 28.

The water outlet pipe of the preposed composite filter element 11 is connected with one end of the first electromagnetic valve 12 through a raw water TDS sensor 27;

the first check valve 16 is connected with one end of the second solenoid valve 18 through a pure water TDS sensor 28;

the controller is also electrically connected with the raw water TDS sensor 27 and the pure water TDS sensor 28 respectively and used for determining the multi-gear pure wastewater ratio according to the sensing value of the raw water TDS sensor 27 and the sensing value of the pure water TDS sensor 28.

Through setting up raw water TDS sensor 27 and pure water TDS sensor 28 to raw water TDS sensor 27 and pure water TDS sensor 28 can send respective inductive value to the controller, thereby the controller can be based on the interval of the inductive value of raw water TDS sensor 27 to confirm to use several grades of pure waste water ratio, perhaps, and whether the pure water of judging current output satisfies the water preparation requirement of the pure waste water gear of current selection based on the inductive value of pure water TDS sensor 28. At this moment, can be after the water purifier is in actual operation, the pure waste water ratio of water purifier actual operation is adjusted according to the raw water TDS of actual measurement to the controller. Of course, the pure wastewater ratio of multiple gears can also be set by the user

The control mode that several grades of pure waste water than is confirmed according to raw water TDS value interval also can be set up through the controller, and the water purifier is after actual operation, and the controller adjusts the pure waste water ratio of water purifier actual operation according to actual measurement raw water TDS.

At the moment, when the normal temperature water mode is adopted, the controller controls and starts the first electromagnetic valve 12, the booster pump 13 and the second electromagnetic valve 18, meanwhile, according to the gear of the pure wastewater ratio set by the controller, the corresponding concentrated water electromagnetic valve is started or not started, the RO post-composite filter element 14 normally produces water, and newly-produced pure water flows out from the water tap opening.

Through setting up raw water TDS sensor 27, the controller can be based on the response value of raw water TDS sensor 27 and come the pure waste water ratio of automatic judgement current raw water suitable for which gear to the filter efficiency of water purifier has effectively been promoted.

In one embodiment, as shown in fig. 3, further comprising: a pressure relief valve 29.

The pressure reducing valve 29 is connected with the water inlet pipe of the front composite filter element 11, and raw water enters the front composite filter element 11 through the pressure reducing valve 29 and the water inlet pipe of the front composite filter element 11 in sequence.

When the raw water is tap water, in order to avoid the damage of the front composite filter element 11 caused by overhigh water pressure of the tap water, a pressure reducing valve 29 can be arranged in front of the water inlet pipe of the front composite filter element 11, and the tap water can enter the front composite filter element 11 after being reduced in pressure by the pressure reducing valve 29.

In one embodiment, a water outlet temperature sensor is arranged between the heating body 22 and the water faucet; the controller is also electrically connected with the water outlet temperature sensor.

The controller may control the output power of the heating element 22 to output hot water of a temperature designated by a user to the user, and at the same time, the controller may collect a temperature signal of a water inlet temperature sensor of the heating element 22 to finely adjust the power of the heating element 22 to control the water temperature.

In one embodiment, the other end of the third electromagnetic valve 21 is connected with the heating element 22 through an inlet water temperature sensor; the controller is also electrically connected with the water inlet temperature sensor.

The controller can control the output power of the heating element to output the hot water with the temperature specified by the user to the user, meanwhile, the controller can collect the temperature signal of the water outlet temperature sensor of the heating element 22 to judge whether the temperature of the heated pure water meets the temperature specified by the user, and if not, the power of the heating element 22 is finely adjusted to control the water temperature.

Further, after receiving the hot water taking instruction, the controller collects temperature signals of the water inlet temperature sensor and the water outlet temperature sensor of the heating element 22, calculates the actual water outlet flow rate by comparing the water inlet temperature and the water outlet temperature with the input power, and finely adjusts the rotation speed of the water suction pump 20 to accurately control the hot water flow rate.

The technical solution of the present disclosure will be further described by taking the water purifier shown in fig. 3 as an example, wherein fig. 4 is a control logic diagram of the water purifier shown in fig. 3.

In this embodiment, the faucet includes: intelligent tap, intelligent tap includes: the intelligent tap hot water port and the intelligent tap warm water port are used for enabling a user to send corresponding instructions to the controller through operating the intelligent tap.

The raw water is tap water.

The water purifier is at least provided with a front composite filter element 11, an RO rear composite filter element 14, a booster pump 13, a pressure reducing valve 29, a high-pressure switch 23, a zero-pressure valve 19, an instant heating body, a water suction pump 20, a first electromagnetic valve 12, a second electromagnetic valve 18, a third electromagnetic valve 21, a fourth electromagnetic valve 25, a first concentrated water electromagnetic valve 151, a second concentrated water electromagnetic valve 152, a raw water TDS sensor 27, a pure water TDS sensor 28 and an intelligent tap.

As shown in fig. 4, the water purifier has a controller, the raw water TDS sensor 27, the pure water TDS sensor 28, and the high voltage switch 23 are output signal components, and the controller receives signals from the output signal components and responds; the booster pump 13, the water pump 20, the first electromagnetic valve 12, the second electromagnetic valve 18, the third electromagnetic valve 21, the fourth electromagnetic valve 25, the first concentrated water electromagnetic valve 151 and the second concentrated water electromagnetic valve 152 are input signal components and receive electric signals of a controller to be started; namely, the heating body and the intelligent faucet are both input signal components and output signal components.

The instant heating body comprises a heating module, a water inlet temperature sensor and a water outlet temperature sensor, wherein the heating module of the instant heating body receives signals of the controller, and the water inlet temperature sensor and the water outlet temperature sensor transmit signals to the controller.

The first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are connected in series, and this combination can achieve three different pure wastewater ratios while still retaining the flushing function (i.e., the pure water bubble film mode in each of the above-described embodiments). Only the first concentrated water solenoid valve 151 is electrified, and the concentrated water pipeline is throttled by the small hole of the second concentrated water solenoid valve 152, which is the first grade pure wastewater ratio; only the second concentrated water solenoid valve 152 is electrified, and the concentrated water pipeline is throttled by the small hole of the first concentrated water solenoid valve 151, which is the second-gear pure wastewater ratio; the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are not electrified, so that the concentrated water pipeline plays a throttling role together by the small holes of the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152, and the ratio of the third grade pure wastewater is higher than that of the first grade and the second grade; when the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are simultaneously energized, the flushing mode (that is, the pure water bubble film mode in each of the above embodiments) is set. If the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are of the same specification, only two levels of pure wastewater ratio can be realized.

First shelves, second shelves, third grade pure waste water ratio can be set for by the user by oneself, also can be set up by the controller and confirm the control mode that several grades of pure waste water ratio according to raw water TDS value interval, and the water purifier is after the actual operation, and the controller adjusts the pure waste water ratio of water purifier actual operation according to the raw water TDS of actual measurement, also can be by the gear that the professional selects pure waste water ratio at long-range wifi module pair.

The water purifier has a water making mode, a normal-temperature water taking mode, a hot water taking mode, a water drive tank water making mode and a pure water bubble film mode, and the control process of each mode is introduced through a specific embodiment as follows:

in the water preparation mode, the filtered pure water is stored in a pure water cavity of the preposed composite filter element 11;

taking normal temperature water mode: the user operates the intelligent tap to input a normal temperature water taking instruction, the controller receives the normal temperature water taking instruction, the first electromagnetic valve 12, the booster pump 13 and the second electromagnetic valve 18 are started, meanwhile, according to a pure wastewater ratio file position control mode set by the controller, the corresponding concentrated water electromagnetic valve is started or the concentrated water electromagnetic valve is not started, the RO membrane in the RO post-composite filter element 14 normally produces water, and newly-produced pure water flows out from a normal temperature water port of the intelligent tap.

Taking a hot water mode-water production: a user operates the intelligent faucet to input a hot water taking instruction, the controller receives the hot water taking instruction, the first electromagnetic valve 12, the booster pump 13, the water suction pump 20 and the third electromagnetic valve 21 are started, the RO membrane in the RO post-positioned composite filter element 14 normally produces water, and pure water produced by the RO post-positioned composite filter element 14 is conveyed into the instant heating body by the water suction pump 20 through the pressure stabilizing valve and is heated to a water taking temperature, and then flows out from a hot water port of the intelligent faucet. At this time, the hot water is prepared, and the redundant pure water flows into the pure water cavity of the front composite filter element 11 and is stored; when the pure water cavity of the front composite filter element 11 is filled with water, and the user is still taking hot water and the RO rear composite filter element 14 is still making water, the fourth electromagnetic valve 25 is opened, and the redundant pure water is circulated to the RO rear composite filter element 14 again before flowing back to the water suction pump 20.

Hot water taking mode-temperature adjustment: the mapping relation between the temperature of hot water and the output power of the instant heating body is preset in the controller, different temperatures of the hot water correspond to the output powers of different instant heating bodies, a user operates the intelligent faucet to input a hot water taking instruction, the controller determines the output power of the corresponding instant heating body according to the temperature of the hot water taking instruction input by the user when starting water making, the controller starts a heating module of the instant heating body according to the corresponding output power, and finally hot water meeting the temperature required by the user flows out. Meanwhile, the controller can collect temperature signals of an inlet water temperature sensor and an outlet water temperature sensor of the instant heating body, and finely adjust the power of the heating body 22 to control the water temperature.

Hot water taking mode-hot water flow rate adjustment: the controller is preset with hot water temperature and different water outlet flow rates, and a mapping relation between the water outlet flow rate and the rotation speed of the water pump 20, different hot water temperatures correspond to different water outlet flow rates, different water outlet flow rates correspond to different rotation speeds of the water pump 20, a user operates the intelligent faucet to input a hot water taking instruction, the controller starts the water pump 20 to pump water according to the rotation speed of the corresponding water pump 20 according to the water temperature in the hot water taking instruction input by the user when water making is started, and finally hot water with different flow rates flows out. Meanwhile, the controller can collect temperature signals of an inlet water temperature sensor and an outlet water temperature sensor of the instant heating body, the actual outlet water flow speed is calculated through comparing inlet water temperature and outlet water temperature with input power, and the rotating speed of the water suction pump 20 is finely adjusted to accurately control the hot water flow speed.

Hot water intake mode-quantitative water intake regulation: the controller predetermines the mapping relation of the water intaking volume and the water intaking time under this water intaking velocity of flow, different water intaking volumes and the water intaking time under this water intaking velocity of flow that corresponds different, and the intelligent tap of user operation inputs the hot water instruction of getting, and the controller is when starting system water, gets the hot water volume according to the user input, and the controller is starting suction pump 20 according to the rotational speed that corresponds and draws water the back, after the time that corresponds the water intaking volume, closes suction pump 20. Meanwhile, the controller can collect temperature signals of an inlet water temperature sensor and an outlet water temperature sensor of the instant heating body, the actual outlet water flow rate is calculated by comparing inlet water temperature and outlet water temperature with input power, and the operation time of the input water pump 20 is finely adjusted to accurately control the quantitative water taking volume of hot water.

Hot water mode-default water temperature and default water intake: the controller presets the mapping relation of default water temperature and water taking volume, and if a user does not input a specific hot water temperature and water taking volume instruction, the controller emits hot water with the default water temperature and the default water volume from the intelligent faucet according to the default water temperature and the water taking volume.

A pure water cavity water making mode: the mode is the process that the pure water cavity is filled with pure water after water taking is finished. After the normal-temperature water is taken, the first electromagnetic valve 12 and the booster pump 13 are still kept opened, the second electromagnetic valve 18 is closed, the RO membrane continuously produces water until the high-voltage switch 23 is disconnected, and the water supplement of the pure water cavity is finished; when the normal temperature water supply is completed and the high-pressure switch 23 is at the off value and the pure water chamber is full of water, the first electromagnetic valve 12, the booster pump 13, and the second electromagnetic valve 18 are closed. When the water taking is finished, the high-voltage switch 23 is not at the cut-off value and the pure water cavity is not full of water, the first electromagnetic valve 12 and the booster pump 13 are still kept on, the third electromagnetic valve 21 is closed, the RO membrane continuously produces water until the high-voltage switch 23 is cut off, and the water replenishing of the pure water cavity is finished; when the water supply is finished, if the high-voltage switch 23 is at the off value and the pure water chamber is full of water, the first electromagnetic valve 12, the booster pump 13 and the third electromagnetic valve 21 are still closed.

The pure water bubble membrane mode is that pure water intracavity pure water washes RO membrane dense water side, avoids the water purifier RO membrane pure water that stews the too high problem of TDS side, and the start-up of this mode can be after getting normal atmospheric temperature water/hot water mode, start the pure water bubble membrane mode immediately when the pure water chamber is full of water, also can be after getting normal atmospheric temperature water/hot water mode, after the pure water chamber is full of water for a certain time, restart pure water bubble membrane mode. The pure water bubble membrane mode process is that the controller starts the fourth electromagnetic valve 25, the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152, the pure water cavity discharges and stores pure water, the pure water passes through the concentrated water side of the RO membrane and is discharged from the concentrated water outlet, when the pure water cavity discharges water until the high-pressure switch 23 is closed, the controller receives a closing signal of the high-pressure switch 23, the fourth electromagnetic valve 25, the first concentrated water solenoid valve 151 and the second concentrated water solenoid valve 152 are closed, and the pure water bubble membrane mode is ended.

The water purifier in pure water chamber system water mode, pure water bubble membrane mode go on, when the user operated intelligent tap water intaking, then pause pure water chamber system water mode and pure water bubble membrane mode, get into and get normal atmospheric temperature water or get the hot water mode, wait to get normal atmospheric temperature water or get the hot water mode and end, carry out pure water chamber system water mode and pure water bubble membrane mode again.

The controller of the water purifier, the procedure of adjusting the rotational speed of the booster pump 13, when getting the water outlet velocity of flow of the hot water mode and being small, reduce the rotational speed of the booster pump 13, play and reduce the difference of RO membrane water flow velocity of flow and faucet water outlet velocity of flow of water purifier, reduce and get the hot water mode, if the booster pump 13 rotational speed is very fast, and lead to the pure water cavity to need to start the fourth solenoid valve 25 to realize the pure water backflow in the pure water cavity after full water fast, and the volume of the extravagant pure water.

The controller of water purifier still contains the WIFI module, can receive user mobile terminal's control signal, and mobile terminal can input the hydrothermal instruction of getting normal atmospheric temperature water, different temperature/volume, and the controller is after receiving this instruction, and its operation mode and control mode are the same with the action and the procedure of user after intelligent tap input water getting instruction, realize that mobile terminal and intelligent tap can both control the function of water purifier water intaking.

The water purifier that this disclosure relates to can realize that the water purifier gets normal atmospheric temperature water, hydrothermal function, still adopts the pure water bubble membrane technique, avoids the water purifier to stop system water after a period, the too high problem of first cup of water TDS.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A water purifier, characterized by comprising:

the pure water outlet pipe of the RO post-positioned composite filter element is respectively connected with one end of a second check valve, one end of a second electromagnetic valve and one end of a zero-pressure valve through a first check valve; the other end of the second electromagnetic valve is connected with a normal-temperature water outlet of the faucet;

after receiving a hot water taking instruction, the controller controls the first electromagnetic valve, the booster pump, the water suction pump, the fourth electromagnetic valve and the water suction pump to be opened, the RO post-positioned composite filter element normally produces water, and pure water produced by the RO post-positioned composite filter element is conveyed into the heating element by the water suction pump through the zero pressure valve, is heated to a water taking temperature and then flows out of the water faucet; in the process of taking hot water, if the high-voltage switch is detected to reach a high-voltage value, the fourth electromagnetic valve is opened, and redundant pure water flows back to the front of the booster pump; the controller is also used for starting the water suction pump to pump water according to the water temperature in the hot water taking instruction and the corresponding rotating speed so as to flow hot water with different flow rates;

2. The water purifier of claim 1, wherein the combined concentrate solenoid valve comprises: a plurality of concentrated water electronic solenoid valves connected in series in sequence;

3. The water purifier as recited in claim 2, wherein the water outlet pipe of the pre-composite filter element is connected with one end of the first electromagnetic valve through a raw water TDS sensor;

4. The water purifier according to claim 1,

5. The water purifier according to claim 1, wherein the heat generating body includes: namely a heat generating body.

6. The water purifier according to claim 1, wherein a water outlet temperature sensor is provided between the heating body and the faucet;

7. The water purifier according to claim 6, wherein the other end of the third electromagnetic valve is connected with the heating element through a feed water temperature sensor;

8. The water purifier of claim 3, wherein the controller further comprises: a WiFi module;

the WiFi module is used for interacting signals with the mobile terminal;